How many elements are in NH3

Which statement describes characteristics of earthquakes occurring along divergent plate boundaries? A They are large and occur at shallow depths near the ridge. The plates do not diverge.

Describe in your own words why lithium, magnesium, and boron (groups 1,2,13) elements tend to form positive ions and fluorine, oxygen, and nitrogen (groups 15,16,17) tend to form positive ions.

What effect does filtration have on water with a ph of 10?

Why isn't a largest predator just at the top of a food web?

What do I scan to confirm that a book is relevant and valuable as a source

Which of the formed elements is present in the greatest concentration?

A compound has a percent composition of 24.74% potassium (molar mass = 39.10 g/mol), 34.76% manganese (molar mass = 54.94 g/mol), and 40.50% oxygen (molar mass = 16.00 g/mol).

What would be the saturation concentration (mole/L) of oxygen (O2) in a river in winter when the air temperature is 0°C if the Henry's law constant at this temperature is 2.28 * 10-3 mole/L-atm? What would the answer be in units of mg/L?

Magnesium carbonate--->? + carbon dioxide

Determine the number of moles 28.8 g Br2